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# A recent survey of all auto accident victims in Dole County

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Director
Joined: 15 Aug 2005
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Location: Singapore
A recent survey of all auto accident victims in Dole County [#permalink]

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13 Sep 2005, 02:25
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A recent survey of all auto accident victims in Dole County found that, of the severely injured drivers and front-seat passengers, 80 percent were not wearing seat belts at the time of their accidents. This indicates that, by wearing seat belts, drivers and front-seat passengers can greatly reduce their risk of being severely injured if they are in an auto accident.

The conclusion above is not properly drawn unless which of the following is true?

(A) Of all the drivers and front-seat passengers in the survey, more than 20 percent were wearing seat belts at the time of their accidents.
(B)Considerably more than 20 percent of drivers and front-seat passengers in Dole County always wear seat belts when traveling by car.
(C) More drivers and front-seat passengers in the survey than rear-seat passengers were very severely injured.
(D) More than half of the drivers and front-seat passengers in the survey were not wearing seat belts at the time of their accidents.
(E) Most of the auto accidents reported to police in Dole County do not involve any serious injury.

PLS EXPLAIN! I AINT GETTIN THIS AT ALLLLLLLL!
_________________

Cheers, Rahul.

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Current Student
Joined: 29 Jan 2005
Posts: 5201

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13 Sep 2005, 02:42
This is like a weird data sufficiency/critical reasoning hybrid question. Watch out for the play on words with the 20 percent. Several deceptive scope shifts. Eliminate C and D immediately for illogical meaning and comparison. Do the math for A and see that it is inconsistent. Between B and E, E both requires outside knowledge and would only be effective if the question stem were changed to which of the following, if true, ...... That leaves B by POE. If you double check the math on B, it works too.

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Director
Joined: 15 Aug 2005
Posts: 793

Kudos [?]: 75 [0], given: 0

Location: Singapore

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13 Sep 2005, 03:04
Thanks for the explanation. But I JUST DONT GET IT!!!!!

OA is A by the way.

Tell me where im wrong -

It says of the severly injured, 80%......this means 20% were wearing seat belts and still were severly injured. So if B is the answer, then what exactly are we saying here? THIS CR MAKES NO SENSE TO ME AT ALL

_________________

Cheers, Rahul.

Kudos [?]: 75 [0], given: 0

Director
Joined: 15 Aug 2005
Posts: 793

Kudos [?]: 75 [0], given: 0

Location: Singapore

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13 Sep 2005, 05:02
HELP!!!
_________________

Cheers, Rahul.

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Manager
Joined: 28 Jun 2005
Posts: 211

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13 Sep 2005, 05:13
It is A because

Argument says; of the severely injured drivers and front-seat passengers, 80 percent were not wearing seat belts at the time of their accidents. This means that 20% were wearing seat belts but severely injured and some people may have escaped serious injury by wearing seat belt; so of the number of people surveyed >20% were wearing seat belts at the time of the accident.

Last edited by gotoknow3 on 22 Sep 2005, 11:46, edited 1 time in total.

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Senior Manager
Joined: 22 Jun 2005
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13 Sep 2005, 06:41
yes I agree with gotoknow3

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Director
Joined: 15 Aug 2005
Posts: 793

Kudos [?]: 75 [0], given: 0

Location: Singapore

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13 Sep 2005, 18:26
hey gotokknow3, thanks for the logic! it helps!!
_________________

Cheers, Rahul.

Kudos [?]: 75 [0], given: 0

13 Sep 2005, 18:26
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# A recent survey of all auto accident victims in Dole County

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